<template>
  <div style="background: #ccc; height: 50px;">
    <span>小明每次花100元</span>
    <!-- <button @click="$emit('update:money',money - 100)">花钱</button>
    爸爸还剩 {{money}} 元 -->
    <button @click="$emit('updata:money',money-100)">花钱</button>
    爸爸还剩 {{money}} 元
  </div>
</template>

<script type="text/ecmascript-6">
  export default {
    name: 'Child',
    props:['money']
  }
</script>
